[FELIX-2080] Updating bundles when debugging switched on might result in a deadlock with 100% CPU usage

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: framework-2.0.3
• Fix Version/s: framework-3.0.0
• Component/s: Framework
• Assignee: Richard S. Hall
• Reporter: Roland Huss
• Created: 15/Feb/10 16:17
• Updated: 11/May/10 18:37
• Resolved: 11/May/10 18:37

Description

With the following minimal scenario using Spring 3.0.0.RELEASE bundles the following happen when one update spring-core first and the spring-web:

$ grep log conf/config.properties
felix.log.level=4

$ ls bundle/
com.springsource.javax.servlet-2.4.0.jar org.apache.felix.shell-1.4.2.jar spring-context-3.0.0.RELEASE.jar
com.springsource.org.aopalliance-1.0.0.jar org.apache.felix.shell.tui-1.4.1.jar spring-core-3.0.0.RELEASE.jar
com.springsource.org.apache.commons.logging-1.1.1.jar spring-aop-3.0.0.RELEASE.jar spring-web-3.0.0.RELEASE.jar
org.apache.felix.bundlerepository-1.4.3.jar spring-beans-3.0.0.RELEASE.jar
$ java -jar bin/felix.jar
....
-> ps
START LEVEL 1
ID State Level Name
[ 0] [Active ] [ 0] System Bundle (2.0.3)
[ 1] [Active ] [ 1] Java Servlet API (2.4.0)
[ 2] [Active ] [ 1] AOP Alliance API (1.0.0)
[ 3] [Active ] [ 1] Apache Commons Logging (1.1.1)
[ 4] [Active ] [ 1] Apache Felix Bundle Repository (1.4.3)
[ 5] [Active ] [ 1] Apache Felix Shell Service (1.4.2)
[ 6] [Active ] [ 1] Apache Felix Shell TUI (1.4.1)
[ 7] [Active ] [ 1] Spring AOP (3.0.0.RELEASE)
[ 8] [Active ] [ 1] Spring Beans (3.0.0.RELEASE)
[ 9] [Active ] [ 1] Spring Context (3.0.0.RELEASE)
[ 10] [Active ] [ 1] Spring Core (3.0.0.RELEASE)
[ 11] [Active ] [ 1] Spring Web (3.0.0.RELEASE)

-> update 10
DEBUG: WIRE: 10.1 -> org.apache.commons.logging -> 3.0
DEBUG: WIRE: 10.1 -> javax.xml.transform.stax -> 0
DEBUG: WIRE: 10.1 -> javax.xml.stream.events -> 0
DEBUG: WIRE: 10.1 -> org.w3c.dom -> 0
DEBUG: WIRE: 10.1 -> org.xml.sax -> 0
DEBUG: WIRE: 10.1 -> javax.xml.namespace -> 0
DEBUG: WIRE: 10.1 -> javax.xml.stream -> 0
DEBUG: WIRE: 10.1 -> javax.xml.stream.util -> 0
DEBUG: WIRE: 10.1 -> org.xml.sax.ext -> 0
DEBUG: WIRE: 10.1 -> javax.xml.transform -> 0
DEBUG: WIRE: 10.1 -> javax.xml.transform.sax -> 0
DEBUG: WIRE: 10.1 -> org.xml.sax.helpers -> 0
-> update 11
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.1] and org.springframework.core from [10.0]
DEBUG: Constraint violation for 11.0 detected; module can see org.springframework.core from [10.0] and org.springframework.core from [10.1]
.....

and so on ...